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当前位置: 首页 > 文章 > 行距与氮肥对通草1号虉草生长特性的影响 中国草地学报 2014,36 (1) 44-48
Position: Home > Articles > Effect of Row Spacing and Nitrogen Application Rate on Growth Characteristics of Reed Canarygrass Chinese Journal of Grassland 2014,36 (1) 44-48

行距与氮肥对通草1号虉草生长特性的影响

作  者：
张永亮;骆秀梅;张浩;王学愿;刘杨
单  位：
内蒙古民族大学
关键词：
虉草;行距;氮肥;生长
摘  要：
在内蒙古通辽地区进行了行距与施氮量对通草1号虉草生长特性的影响研究。结果表明:随行距增加虉草株高、叶宽、叶面积、穗长、穗分枝数、穗重、穗粒重和千粒重等递增,30cm行距与50cm、70cm行距间上述指标差异显著(P<0.05),70cm与50cm行距间叶宽、叶面积、穗分枝数和千粒重差异显著(P<0.05)。行距对营养枝数/m、生殖枝数/m、穗梗长和穗下节长影响不显著。随施氮量增加,虉草株高、叶宽、叶面积、营养枝数/m、穗长、穗分枝数、穗重、穗粒重和千粒重等递增,施氮与不施氮处理间差异显著(P<0.05)。施纯氮46kg/hm2与92kg/hm2处理间虉草株高(分蘖期除外)、叶宽、叶面积、营养枝数/m、穗分枝数、穗重和千粒重等差异显著(P<0.05)。春季施氮肥对生殖枝数/m、穗梗长和穗下节长影响不显著。
译  名：
Effect of Row Spacing and Nitrogen Application Rate on Growth Characteristics of Reed Canarygrass
作  者：
ZHANG Yong-liang;LUO Xiu-mei;ZHANG Hao;WANG Xue-yuan;LIU Yang;Department of Agronomy,Inner Mongolia University for Nationalities;
关键词：
Phalaris arundinacea L.cv.Tongcao No.1;;Row spacing;;Nitrogen fertilizer;;Growth
摘  要：
The effects of different row spacing and nitrogen application rate on the growth characteristics of Phalaris arundinacea L.cv.Tongcao No.1were studied in Tongliao to reveal the response pattern of plant height,leaf traits,panicle traits and tillers in reed canarygrass to different row spacing and nitrogen application rate.The results indicated that plant height,leaf width,leaf area per leaf,spike length, number of branch per ear,weight per ear,seed weight per ear and thousand grain weight of reed canarygrass increased with the increase of row spacing,and the differences were significant between 30cm row spacing and 50cm and 70cm row spacing treatments(P<0.05),and there was significant differences in leaf width,leaf area per leaf,number of branch per ear and thousand grain weight between 50cm row spacing and 70cm row spacing treatments.And effects of row spacing on reproductive shoot/m,vegetative shoots/m,peduncle length,the 1st internode length were not significant(P>0.05).The plant height, leaf width,leaf area per leaf,vegetative shoots/m,spike length,number of branch per ear,weight per ear,seed weight per ear and thousand grain weight increased with the increase of nitrogen rate,and the differences were significant between nitrogen application and no nitrogen application treatments.There was significant differences in plant height(except tillering stage),leaf width,leaf area per leaf,vegetative shoots/m,number of branch per ear,weight per ear and thousand grain weight between 46and 92 kg/hm2 nitrogen application rate treatments.And effects of nitrogen application rate on reproductive shoot/m,peduncle length,the 1st internode length were not significant.

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